About the Book
This book consists of articles from Wikia. Pages: 61. Chapters: Holocephali, Iniopterygians, Sharks, Chondrichthyes, Iniopterygiformes, Akmonistion, Carcharias taurus, Carcharocles, Carcharocles aksuaticus, Carcharocles angustidens, Carcharocles auriculatus, Carcharocles megalodon, Carcharocles sokolovi, Carcharodon carcharias, Carcharodon vs. Carcharocles, Cardabiodon, Cephalic spine, Chlamydoselachus, Cladoselache, Cosmopolitodus, Cosmopolitodus planus, Crenulations, Cretalamna, Cretoxyrhina, Ctenacanthid, Ctenacanthiforme, Ctenacanthus, Damocles, Denaea, Differentiating from C. angustidens and C. auriculatus, Edestus, Edestus giganteus, Erquitaia, Eugeneodontida, Falcatus, Glikmanius, Glossopetrae, Helicoprion, Hemipristis serra, Hemipristis serra, Hexanchus, Hybodontiformes, Hybodus, Iniopterygiformes, Ischyodus, Listracanthus, Misrichthys, Notorynchus, Notorynchus primigenius, Orestiacanthus fergusi, Orthacanthus, Otodus, Otodus obliquus mugodzharicus, Palaeocarcharodon orientalis, Paleocarcharias, Paleospinax, Paraisurus, Pathological shark teeth, Petalodontiforme, Ptychodus, Rhincodon typus, Sacaco dentition, Scapanorhynchus, Shark, Shark evolution, Shark teeth, Shark tooth terminology, Squalicorax, Squalicorax falcatus, Squalicorax kaupi, Squatina, Squatinactis, Stethacanthus, Stethacanthus altonensis, Stethacanthus productus, Symmoriiforme, Symmorium, Transitional shark teeth, Tribodus, Tristychius, Xenacanthiformes, Xenacanthus. Excerpt: Chondrenchelys problematica Chondrenchelys is an extinct genus of cartilaginous fish. Chondrichthyes, or cartilaginous fishes, are jawed fish with paired fins, paired nares, scales, two-chambered hearts, and skeletons made of cartilage rather than bone. They are divided into two subclasses: Elasmobranchii (sharks, rays and skates) and Holocephali (chimaera, sometimes called ghost sharks, which are sometimes separated into their own class). Ptychodontidae is a family of extinct hybodontiform sharks which lived from t...
